Home / 8,787.15-13,180.32-2,546.98

Finding the Fourth Proportional to 8,787.15, 13,180.32 and 2,546.98

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Solution

The fourth proportional to 8,787.15, 13,180.32 and 2,546.98 is: 3,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.15 : 13,180.32 = 2,546.98 : x
  2. Step 2: Convert to fraction form
    8,787.15/13,180.32 = 2,546.98/x
  3. Step 3: Cross multiply
    8,787.15x = 13,180.32 × 2,546.98
  4. Step 4: Simplify right side
    8,787.15x = 33,569,978.48
  5. Step 5: Solve for x
    x = 33,569,978.48/8,787.15
  6. Step 6: Final answer
    x = 3,820.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.